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Finding the Fourth Proportional to 7,417.54, 11,129.04 and 3,470.07

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Solution

The fourth proportional to 7,417.54, 11,129.04 and 3,470.07 is: 5,206.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.54 : 11,129.04 = 3,470.07 : x
  2. Step 2: Convert to fraction form
    7,417.54/11,129.04 = 3,470.07/x
  3. Step 3: Cross multiply
    7,417.54x = 11,129.04 × 3,470.07
  4. Step 4: Simplify right side
    7,417.54x = 38,618,530.48
  5. Step 5: Solve for x
    x = 38,618,530.48/7,417.54
  6. Step 6: Final answer
    x = 5,206.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.